raise-boring machine 反井钻机
Raise Boring Method 升井工法 ; 天井钻进法
hard rock raise boring machine [矿业] 硬岩天井钻进机
raise boring machine [矿业] 天井钻机
raise-boring 反井钻井
Deep raise boring 深天井钻进
The raise boring is a new raising method deployed in China's mines in1980s.
天井钻进法是我国矿山于80年代推广应用的天井掘进新方法。
Since 1970s China has successively developed TYZ type and AT type raise borers and achieved remarkable results in raise boring.
我国从七十年代以来，相继研制成功了TY Z型和AT型天井钻机，在天井钻进中取得了显著的效果。
The said incline raise borer, developed by Changsha Institute of Mining Re-search for incline raise boring in dip onebody mining, is the first generation product in Chi-na.
为了解决倾斜矿体开采中斜天井掘进问题，我院新开发了我国第一代斜天井钻机产品。
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